---
title: "Call Blocker for Landline Phones — $161K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/call-blocker-for-landline-phones"
last_updated: "2026-08-11T09:12:44.367Z"
locale: en
meta:
description: "Niche score 36/100 · $161K/yr market · 80K searches/yr · $74.77 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · $161K/yr market · 80K searches/yr · $74.77 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Call Blocker for Landline Phones — $161K/yr Amazon US Niche (2026) - Flapen"
---
# **call blocker for landline phones**
**Skip it**
Soft demand (-16.0% this quarter) — this niche doesn't clear our bar today.
Market size 34Growth 17Conversion 34Competition 21Returns 22Price range 46Avg price 84Brand share 22Review moat 25Quality gap 96
**Quality gap**
**Incredible****3.9★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Great****$74.77**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****$32.28–$178.35**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$161K**
$161K/yr · 80K searches
**Conversion**
**Okay****2.7%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****4,244.55**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Returns**
**Bad****5.9%**
return rate — above 5% kills the launch gate
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-16.0%**
90-day search growth — must beat 0% to launch
**Signals**[** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, call blocker for landline phones is a $161K/yr Amazon United States market (80K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Nov. Verdict: Skip it — 36/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **call blocker for landline phones market data**
- **Units sold / yr**
- **2K–2K**
- avg 100–250/product
- **Revenue / yr**
- **$112K–$150K**
- units × avg price
- **Conversion rate**
- **2.7%**
- **Avg BSR**
- **#903**
- **Page quality**
- **0%**
- **Prime**
- **91%**
- **Sponsored**
- **91%**
- **Out of stock**
- **21.0%**
- **Avg brand age**
- **73 months**
- **Avg seller age**
- **172 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▼falling
**Sellers**
**18**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**4%**
- CPR Call Blocker41% - enfizi19% - Digitone Communications14% - TelPal12% - Luqeeg4% - AT&T4% - Open — no brand owns it (2 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -16.0% search growth over the last 90 days.
2K2KSpike '24Black Friday '24Holiday '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Nov · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/electronics/call-blocker-for-landline-phones/trend)
## **Top call blocker for landline phones search terms**
- **call blocker for landline phones**29K/yr-18.3%1.4% conv. - **call blocker**7K/yr-4.4%1.7% conv. - **landline robocall blocker**6K/yr-8.9%0.3% conv. - **cpr call blocker**4K/yr+2.8%3.4% conv. - **cpr call blocker for landline phones**3K/yr+9.0%3.9% conv. - **landline call blocking device**4K/yr-30.3%0.6% conv. - **landline call blocker**4K/yr-15.7%1.4% conv. - **robocall blocker for landline**2K/yr+170.0%0.2% conv. - **call blocking device for landline**5K/yr-46.8%1.8% conv. - **spam blocker for landline phones**4K/yr-40.3%1.2% conv. [**All search terms **](https://flapen.com/research/us/electronics/call-blocker-for-landline-phones/search-terms)
## **Top call blocker for landline phones products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$16K20%$32K30%$48K40%$64K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**CPR V5000 Call Blocker for Landline Phones - You Can Manually Block All Calls with the Big Red Button - Pre-Programmed with 5 000 Known Nuisance Numbers - Caller ID is Required**CPR Call Blocker**$74.29**4.2★9,498 rev](https://www.amazon.com/dp/B0191XMBV2) [2**CPR V100K Call Blocker for Landline Phones - Block Unwanted Calls with One Touch Big Red Button - Pre-Loaded with 100 000 Known Nuisance Numbers - Requires Caller ID**CPR Call Blocker**$96.01**3.6★429 rev](https://www.amazon.com/dp/B0B8ZKTCJ9) [3**Digitone ProSeries 3 Call Blocker Automatic SPAM Blocking for Landline Phones - Easy Setup One Button Blocking of RoboCalls**Digitone Communications**$79.50**3.9★154 rev](https://www.amazon.com/dp/B0BC2G3QFJ) [4**TelPal Call Blocker Box for Landline Phones with Caller ID Display 4000 Number Capacity - to Block Hidden Numbers Telemarketer Calls Nuisance Calls Hidden Numbers Area Codes & Spam Calls**TelPal**$32.28**3.9★84 rev](https://www.amazon.com/dp/B00ZTUQXCK) [5**Enf860 Call Blocker for Landline Phones Blacklist/Whitelist Dual Mode Block spam Calls by Number and Name**enfizi**$76.73**4.0★149 rev](https://www.amazon.com/dp/B0CKQKHNJD)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Enf860 Call Blocker for Landline Phones Blacklist/Whitelist Dual Mode Block spam Calls by Number and Name**enfizi**$76.73**149 rev2y ago](https://www.amazon.com/dp/B0CKQKHNJD) [**Call Blocker for Landline Phones Caller ID Box Call Blocking Device with LCD Display - Stop Unwanted Calls Robocalls Telemarketers**Luqeeg**$36.68**21 rev3y ago](https://www.amazon.com/dp/B0BV38BH81) [**Digitone ProSeries 3 Call Blocker Automatic SPAM Blocking for Landline Phones - Easy Setup One Button Blocking of RoboCalls**Digitone Communications**$79.50**154 rev3y ago](https://www.amazon.com/dp/B0BC2G3QFJ) [**CPR V100K Call Blocker for Landline Phones - Block Unwanted Calls with One Touch Big Red Button - Pre-Loaded with 100 000 Known Nuisance Numbers - Requires Caller ID**CPR Call Blocker**$96.01**429 rev3y ago](https://www.amazon.com/dp/B0B8ZKTCJ9) [**Enf510 Call Blocker for Landline Phones/Answering Machine/Home Cordless Phones Works with All Analog Telephones Block unwanted Calls**enfizi**$54.56**463 rev5y ago](https://www.amazon.com/dp/B08HH74Q4R)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Ultimate Call Blocker (LAN Version) - Proactive Blocking of Unsolicited Calls (Robocalls Scams Non-Profit Unwanted) Unlimited Call Blocking Capacity Name Blocking Whitelist Mode Made in USA.**hqtelecom**$178.35**3.8★**▲ 177%**](https://www.amazon.com/dp/B07LC1W32Q) [**CPR V5000 Call Blocker for Landline Phones - You Can Manually Block All Calls with the Big Red Button - Pre-Programmed with 5 000 Known Nuisance Numbers - Caller ID is Required**CPR Call Blocker**$74.29**4.2★**▲ 169%**](https://www.amazon.com/dp/B0191XMBV2) [**TelPal Call Blocker Box for Landline Phones with Caller ID Display 4000 Number Capacity - to Block Hidden Numbers Telemarketer Calls Nuisance Calls Hidden Numbers Area Codes & Spam Calls**TelPal**$32.28**3.9★**▲ 157%**](https://www.amazon.com/dp/B00ZTUQXCK) [**Call Blocker for Landline Phones Caller ID Box Call Blocking Device with LCD Display - Stop Unwanted Calls Robocalls Telemarketers**Luqeeg**$36.68**3.9★**▲ 60%**](https://www.amazon.com/dp/B0BV38BH81) [**Enf860 Call Blocker for Landline Phones Blacklist/Whitelist Dual Mode Block spam Calls by Number and Name**enfizi**$76.73**4.0★**▲ 11%**](https://www.amazon.com/dp/B0CKQKHNJD)
**~~View all trending →~~**
## **What buyers say about call blocker for landline phones**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Efficiency**17%
*“Does It's Job and Does it Well”*
**Quality-Overall**14%
*“Great system”*
**Value For Money**14%
*“Best money ever spent”*
**Assembly/Installation**11%
*“Easy set up”*
**Advertised Vs Actual Product**9%
*“Unit works as advertised”*
**Ease Of Use**9%
*“Easy to Use”*
**Functionality-Overall**3%
*“Second extension phone works fine”*
**Instructions/User Manual/Troubleshooting**3%
*“Clear instructions”*
**Audio Quality**3%
*“Great sound”*
**Touch/Button Controls**3%
*“It works with one click”*
### **What buyers complain about **
**Functionality-Overall**32%
*“Problem is all the functions don't work all the time”*
**Charging**9%
*“Will not charge”*
**Durability**9%
*“Stopped working after two months”*
**Quality-Overall**8%
*“Absolute Garbage”*
**Battery Life**7%
*“Low Battery”*
**Connectivity-Overall**4%
*“Having a problem with these phones and AT&t is slow to respond”*
**Instructions/User Manual/Troubleshooting**3%
*“Instructions are not friendly for me to understand”*
**Ease Of Use**2%
*“was difficult to use”*
**Value For Money**2%
*“Its no longer worth the money”*
**Defective Material/Parts**2%
*“Wrong parts”*
### **Top return reasons **
**Functionality-Overall**20%
**Compatibility-Overall**13%
**Connectivity-Overall**8%
**Advertised Vs Actual Product**7%
**Charging**7%
**Assembly/Installation**5%
**Audio Quality**5%
**Size-Overall**4%
**Battery Inclusion**4%
**Ease Of Use**3%
## **Common questions**
- **Is call blocker for landline phones profitable to sell on Amazon United States?**
- The niche generates $161K/yr across 11 tracked products. 90-day search growth is -16.0%. Flapen's verdict: Skip it (36/100).
- **How competitive is the call blocker for landline phones niche?**
- 8 brands and 18 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in call blocker for landline phones?**
- Top complaints mined from reviews: Functionality-Overall, Charging, Durability. The return rate is 5.9% — above our launch gate.
- **When does demand for call blocker for landline phones peak?**
- Demand peaks in Nov; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the call blocker for landline phones niche?**
- Listings span $32.28–$178.35; the average listing price is $74.77 (sweet spot $15–$100). The average incumbent carries 4,245 reviews — the moat a new listing must climb.
## **Related niches in Electronics**
- 69 [**power strip long cord**](https://flapen.com/research/us/electronics/power-strip-long-cord)$510K/yr+50.2%**Worth a look**- 70 [**airpods pro charging case**](https://flapen.com/research/us/electronics/airpods-pro-charging-case)$798K/yr-5.3%**Worth a look**- 70 [**starlink mini tripod**](https://flapen.com/research/us/electronics/starlink-mini-tripod)$478K/yr+62.3%**Worth a look**- 70 [**luggage tracker**](https://flapen.com/research/us/electronics/luggage-tracker)$716K/yr+29.5%**Worth a look**- 70 [**canopy fan**](https://flapen.com/research/us/electronics/canopy-fan)$298K/yr+135.4%**Worth a look**- 70 [**spypoint battery pack**](https://flapen.com/research/us/electronics/spypoint-battery-pack)$379K/yr+67.4%**Worth a look**[**All Electronics niches **](https://flapen.com/research/us/electronics)